ISL6299 Datasheet, PDF (3/8 Pages) Intersil Corporation – Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources

ISL6299
Typical Applications
A Simple Charger Accepting Power from Both a USB Port and a Desktop Cradle
TOCRADLE
CONNECTOR
TO USB
C₁
CONNECTOR
R₁
C₂
R_IMIN
CRDL
USB
IMIN
BAT
ICDL
USBON
PPR
CHG
EN
GND
R _{IC D}
L
ON
R₂
OFF
D₁
DISABLE
ENABLE
TO BATTERY
C₃
R₃
D₂
R_ICDL
R_IMIN
R₂, R₃
C₁, C₂, C₃
R₁
D₁, D₂
COMPONENT SELECTION
28.71kΩ for 0.55A cradle charge current
158kΩ for 80mA end-of-charge current
350Ω
1µF ceramic capacitor
1Ω
LEDs
A Simple Charger with Programmable Charge Current and Wide Input Voltage Range
TOCRADLE
CONNECTOR
C
1
CRDL
USB
R_IMIN
IMIN
BAT
ICDL
USBON
PPR
CHG
EN
GND
R _{IC D L}
R₂
D₁
DISABLE
ENABLE
TO BATTERY
C₃
R₃
D₂
R_ICDL
R_IMIN
R₂, R₃
C₁, C₃
R₁
D₁, D₂
COMPONENT SELECTION
28.71kΩ for 0.55A cradle charge current
158kΩ for 80mA end-of-charge current
350Ω
1µF ceramic capacitor
1Ω
LEDs
3
FN9184.0
March 17, 2005